/Engine/Source/Runtime/Engine/Public/Animation/AttributesRuntime.h
Mirror (swap) attributes with the specified MirrorDataTable.Attributesare swapped using the bone mapping such that bones which are mirrored swap attributes
static void MirrorAttributes ( [FStackAttributeContainer](API\Runtime\Engine\Animation\FStackAttributeContainer) & Attributes, const [UMirrorDataTable](API\Runtime\Engine\Animation\UMirrorDataTable) & MirrorDataTable, const [TArray](API\Runtime\Core\Containers\TArray)< [FCompactPoseBoneIndex](API\Runtime\AnimationCore\FCompactPoseBoneIndex) > & CompactPoseMirrorBones )